The Chicago River Marathon in 1909.
Chicago Sun-Times, via Chicago History Museum, via Getty Images
An engineering feat reversed the river’s flow.
via Chicago History Museum
Make sense of the day’s news and ideas.
Decades of work to clean the Chicago River culminated with the first swim in almost 100 years. It was the latest sign of how the city’s relationship with its river has changed.
The Chicago River Marathon in 1909.
Chicago Sun-Times, via Chicago History Museum, via Getty Images
An engineering feat reversed the river’s flow.
via Chicago History Museum
Make sense of the day’s news and ideas.

Group participates in previously unthinkable mile-long swim after US made key progress to clean polluted rivers

The Chicago River Swim is being organized by A Long Swim, a charity focused on raising money for ALS research. The swim is to…

For the first time in nearly a century, hundreds of swimmers plunged into the Chicago River over the weekend. Here's why.

Experts unconvinced by Roberto Gualtieri’s mooted timescale for river to be reopened for public bathing

While there are still days the Thames is so dirty even dogs avoid it, steps are being taken to restore public waterways

Swimmable Cities summit in Rotterdam wants to change cleanliness of waterways and people’s relationship to them